| From | Greg Kroah-Hartman <> | Subject | [ 51/74] drm/radeon: fix WREG32_OR macro setting bits in a register | Date | Mon, 26 Aug 2013 18:08:49 -0700 |
| |
3.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: Rafał Miłecki <zajec5@gmail.com>
commit d43a93c8d9bc4e0dc0293b6458c077c3c797594f upstream.
This bug (introduced in 3.10) in WREG32_OR made commit d3418eacad403033e95e49dc14afa37c2112c134 "drm/radeon/evergreen: setup HDMI before enabling it" cause a regression. Sometimes audio over HDMI wasn't working, sometimes display was corrupted.
This fixes: https://bugzilla.kernel.org/show_bug.cgi?id=60687 https://bugzilla.kernel.org/show_bug.cgi?id=60709 https://bugs.freedesktop.org/show_bug.cgi?id=67767
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/gpu/drm/radeon/radeon.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -1764,7 +1764,7 @@ void r100_io_wreg(struct radeon_device * WREG32(reg, tmp_); \ } while (0) #define WREG32_AND(reg, and) WREG32_P(reg, 0, and) -#define WREG32_OR(reg, or) WREG32_P(reg, or, ~or) +#define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or)) #define WREG32_PLL_P(reg, val, mask) \ do { \ uint32_t tmp_ = RREG32_PLL(reg); \
-- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
|